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Start with what is actually entering
A tariff classification identifies goods under the U.S. Harmonized Tariff Schedule, or HTS. Record each product’s function, materials, composition, dimensions and how it is presented at entry. Customs entry completion requires classification and rate information.
In a fictional example, a brand combines a powered floor scrubber and replacement battery under cleaning equipment at 5%. The catalogue category does not establish that they share a classification or rate. The 5% is invented and is not a rate asserted for either item.
Separate the duty questions
The base tariff can differ from additional measures, exclusions or a claimed preference. Chapter 99 contains provisions that may add or modify treatment. The relevant date, product, origin and provision matter; an unexplained combined percentage hides those questions.
Landed cost is the cost of getting the goods to their destination, not just the purchase price or base duty. An unverified rate can be a labelled sensitivity assumption, but cannot be treated as a confirmed cost.
A calculator is not a binding classification ruling
USITC’s official HTS help points to classification rules, legal notes, schedule provisions and Customs and Border Protection ruling resources. A commercial calculator does not itself supply a binding ruling. Revisit the estimate when the product, supplier, production origin or applicable provisions change.
Scope
- No code, current rate, Chapter 99 treatment, exclusion, preference or trade-remedy result is verified here. Origin marking and product admissibility are separate.
Next step
Obtain a supported answer for each actual product before using an assumed percentage as the launch budget’s duty figure.
Sources & review notes
U.S. International Trade Commission
Passage, dates and research notes
official-guidance · Classification, schedule navigation and CBP rulings
classification
Read main help body, including legal notes, Chapter 99 navigation and classification/ruling resources. This is a research workflow source, not verification of a current product rate, temporary tariff, exclusion or country-specific duty.
U.S. House of Representatives, Office of the Law Revision Counsel
Passage, dates and research notes
primary · §1484(a)(1), (a)(2)(B)
using reasonable care
Read importer-of-record reasonable care and eligible filer paragraphs only. Page displays text through Public Law 119-124 (October 15, 2026). Does not settle bond, nonresident importer, valuation or product-agency conditions.
Detailed rule records (1)
Section 1484 calls for classification and rate-of-duty information in entry completion. USITC’s official HTS help directs users through classification, legal notes, schedule provisions and CBP ruling resources.
Harmonized Tariff Schedule Help 19 USC §1484: entry of merchandiseKeep this reading in your learning library.
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